Acid, Base, and pH Concepts Quiz
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Questions and Answers

What does it mean if a substance turns litmus blue?

  • It is a substance that tastes sour.
  • It is a base with a pH greater than 7. (correct)
  • It is an acid with a pH less than 7.
  • It is neutral with a pH of 7.

    • Which of the following items is classified as neutral?

  • Soap
  • Bleach
  • Tomato (correct)
  • Lemon

    • What characteristic is indicative of an acid?

  • It has no particular taste.
  • It turns litmus blue.
  • It tastes sour. (correct)
  • It has a pH level of 7.

    • If a substance does not change the color of litmus paper, it is classified as which of the following?

    <p>Neutral.</p> Signup and view all the answers

    Which item below is an example of a base?

    <p>Soap</p> Signup and view all the answers

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